1 /* Copy access control list from one file to file. -*- coding: utf-8 -*-
2
3 Copyright (C) 2002-2003, 2005-2021 Free Software Foundation, Inc.
4
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <https://www.gnu.org/licenses/>.
17
18 Written by Paul Eggert, Andreas Grünbacher, and Bruno Haible. */
19
20 #include <config.h>
21
22 #include "acl.h"
23
24 #include <errno.h>
25
26 #include "quote.h"
27 #include "error.h"
28 #include "gettext.h"
29 #define _(msgid) gettext (msgid)
30
31
32 /* Copy access control lists from one file to another. If SOURCE_DESC is
33 a valid file descriptor, use file descriptor operations, else use
34 filename based operations on SRC_NAME. Likewise for DEST_DESC and
35 DST_NAME.
36 If access control lists are not available, fchmod the target file to
37 MODE. Also sets the non-permission bits of the destination file
38 (S_ISUID, S_ISGID, S_ISVTX) to those from MODE if any are set.
39 Return 0 if successful, otherwise output a diagnostic and return a
40 negative error code. */
41
42 int
copy_acl(const char * src_name,int source_desc,const char * dst_name,int dest_desc,mode_t mode)43 copy_acl (const char *src_name, int source_desc, const char *dst_name,
44 int dest_desc, mode_t mode)
45 {
46 int ret = qcopy_acl (src_name, source_desc, dst_name, dest_desc, mode);
47 switch (ret)
48 {
49 case -2:
50 error (0, errno, "%s", quote (src_name));
51 break;
52
53 case -1:
54 error (0, errno, _("preserving permissions for %s"), quote (dst_name));
55 break;
56
57 default:
58 break;
59 }
60 return ret;
61 }
62